CVSS 3.1
9.1 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:HCVE-2021-31345
Critical (9.1) in siemens. EPSS 1.6% chance of exploitation in the next 30 days.
A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), PLUSCONTROL 1st Gen (All versions). The total length of an UDP payload (set in the IP header) is unchecked. This may lead to various side effects, including Information Leak and Denial-of-Service conditions, depending on a user-defined applications that runs on top of the UDP protocol. (FSMD-2021-0006)
Severity
- EPSS
- 1.6% chance of exploitation in the next 30 days; higher than 76% of CVEs (scores of 2026-10-31)
- CWE
- CWE-1284
- Published
- Modified
- Record from
- the NVD, synced
Affected
- siemens:apogee_modular_building_controller_firmware
- siemens:apogee_modular_equiment_controller_firmware
- siemens:apogee_pxc_compact_firmware
- siemens:apogee_pxc_modular_firmware
- siemens:capital_vstar
- siemens:nucleus_net
- siemens:nucleus_readystart_v3
- siemens:nucleus_source_code
- siemens:talon_tc_compact_firmware
- siemens:talon_tc_modular_firmware
References
- https://cert-portal.siemens.com/productcert/html/ssa-044112.html
- https://cert-portal.siemens.com/productcert/html/ssa-114589.html
- https://cert-portal.siemens.com/productcert/html/ssa-620288.html
- https://cert-portal.siemens.com/productcert/html/ssa-845392.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf